Chapter 3 Fuel Injection Equipment
3. Disassembly, Reassembly and Inspection of Fuel Injection Pump
4LHA Series
(2)
Insert
the
packing,
delivery valve
assembly,
spring,
and
stopper
from
the top of the pump, in
that
order, and
tighten
the delivery valve holder.
Delivery
value holder
tightening torque
39.2-44.1 (4.0-4.5)
N(kgf)-m
(3)
Place
the control rack.
NOTE: Do not forget the rack Aux. spring.
(7) Mount the plunger spring seat B on the head of
the plunger, and fit the plunger in the lower
part
of pump. The match mark R-1 on the plunger
flange should be on the
left
as
seen
from
the
driving
side
of the pump.
NOTE: This is important, because if the plunger is
mounted in opposite direction, the spill way
will be reversed.
Plunger
insert device
(4)
Place
the control
sleeve
from
the
bottom
of the
pump.
Make
sure the rack moves smoothly through
a
full
cycle.
(5) Mount the plunger spring seat A.
NOTE: 1. Be sure to mount the seat A with the
hollow side facing down.
2. Check again to make sure that the rack
moves easily.
(6) Mount the plunger spring.
3-2-28
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